CN101612921B - Vehicle bus network system - Google Patents
Vehicle bus network system Download PDFInfo
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- CN101612921B CN101612921B CN2009101442446A CN200910144244A CN101612921B CN 101612921 B CN101612921 B CN 101612921B CN 2009101442446 A CN2009101442446 A CN 2009101442446A CN 200910144244 A CN200910144244 A CN 200910144244A CN 101612921 B CN101612921 B CN 101612921B
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Abstract
The invention provides a vehicle bus network system, belonging to the technical field of data switch networks and solving the problem that relatively poor expansibility of the current vehicle networks easily causes network congestion and reduces reliability. The vehicle bus network system comprises a CAN network and an LIN network; wherein, the two networks are connected by an integration gateway; the CAN network comprises a plurality of high speed CAN buses. The vehicle bus network system realizes information sharing and crossing between the CAN buses and each controller, greatly reduces the wiring harnesses through information sharing, lightens the weight of the whole vehicle, realizes core configuration function and information transfer function of the integration gateway, realizes advantage complementation of the CAN buses and the LIN buses and ensures the network has good expansibility and reliability and has low cost.
Description
Technical field
The invention belongs to the data switch networking technology area, relate to a kind of automobile communication system, particularly a kind of vehicle bus network system.
Background technology
The raising that Along with people's requires vehicle dynamic quality, safety and traveling comfort; Automobile ECU (Electronic Control Unit; Electronic control unit) and electronic control package also in continuous increase, traditional point-to-point communication mode can not satisfy the automobile distribution needs of control in real time.Increase owing to the continuous increase of electronic machine causes number of conductors to be how much formulas, also make, limited the further expansion of car internal piloting function in limited interior space wiring more and more difficult.On the other hand, each electronic control unit is not only to link together simply with load equipment, more is to carry out information interchange with external equipment and other ECU, and through complicated control decision computing, sends control command.In order to improve the degree of utilization of signal, require bulk data information between different ECU, to exchange and share, therefore adopting In-vehicle networking and information integration technology is the inexorable trend that vehicle electronics develops.
Like a kind of In-vehicle networking (its notification number is CN201153265Y) that Chinese patent provided; It comprises CAN network and LIN network; CAN network and LIN network connect through gateway; Node on the CAN network wherein comprises engine management system, deflection angle module, hard-top control system, electronics parking system, brake system, air-conditioning, change speed gear box, tire pressure system, safety air bag, steering swivel system, instrument and car body controller.
Can find out that controller not of the same race or control module all are unified being connected on the CAN network-bus in the In-vehicle networking of above-mentioned patent.In general the mode adaptive of a CAN bus is in easy network, but its extendability is relatively poor, when system module increases, the load of network also can constantly increase when communication information increased, brings blocking up and problem such as reliability reduction of network.
Summary of the invention
The objective of the invention is to the existing the problems referred to above of existing In-vehicle networking, and proposed a kind of quickening gateway processes speed, improve the vehicle bus network system of system reliability and alerting ability.
The object of the invention can be realized through following technical proposal: a kind of vehicle bus network system; Comprise CAN network and LIN network; It is characterized in that described CAN network and LIN network connect through integrated gateway, described CAN network comprises some high-speed CAN bus.
In above-mentioned a kind of vehicle bus network system, the quantity of described high-speed CAN bus is two, is respectively the comfortable CAN bus of power transmission CAN bus and vehicle body.
Fault-tolerant its bus load of CAN bus of traditional low speed is all high than high-speed CAN bus with cost, adopts two high-speed CAN bus promptly can satisfy the real-time of the comfortable CAN bus of power transmission CAN bus and vehicle body, can reduce bus load and cost again.Article two, high-speed bus carries out the information exchange of signal, shared and configuration through integrated gateway; Because two high-speed buses all are high-speed CAN bus; Therefore integrated gateway need not handled the complicacy conversion between the different agreement; Only the reliability, alerting ability and the safety that have improved system need be handled and the signal reorganization to priority of messages.
Integrated gateway possesses ECU configuration inspection function; The ECU through configuration inspection can't access network system; Whole network reliability, alerting ability and safety are further strengthened; Also increased the extension of network sexual function, above-mentioned integrated gateway has also possessed the function of a powerful deluxe body controller simultaneously.
In above-mentioned a kind of vehicle bus network system, the communication speed of described power transmission CAN bus and the comfortable CAN bus of vehicle body is 500kbit/s.
In above-mentioned a kind of vehicle bus network system, described vehicle bus network system also comprises CAN bus diagnostic module, and this CAN bus diagnostic module connects with above-mentioned power transmission CAN bus and the comfortable CAN bus of vehicle body.CAN bus diagnostic module need can not diagnosed separately two buses through integrated gateway, does not need the processing of integrated gateway, has reduced the complexity of integrated gateway yet.
In above-mentioned a kind of vehicle bus network system, the node of described power transmission CAN bus comprises engine management module, automatic transmission with hydraulic torque converter control module, brake system control module, steering wheel angle sensor, four wheel drive control module and safety air bag control module.The node of power transmission CAN bus comprises above-mentioned module, and function is reserved, and need not change the hardware of controller module, only just can realize function expansion through Development of Software, and the expansion of controller module also allows.
In above-mentioned a kind of vehicle bus network system, the node of the comfortable CAN bus of described vehicle body comprises combination instrument control module and automatic air condition control module.The node of the comfortable CAN bus of vehicle body comprises above-mentioned module, and function is reserved, and need not change the hardware of controller module, only just can realize function expansion through Development of Software, and the expansion of controller module also allows.
In above-mentioned a kind of vehicle bus network system, described LIN network comprises the LIN bus one and LIN bus two that connects with integrated gateway, and the node of LIN bus one comprises four automatic window control modules, a rainfall sunlight sensor and a louver controller.This vehicle bus network has been introduced LIN bus one and LIN bus two, is convenient to function expansion, flexible control and cost-cutting.
Compared with prior art; This vehicle bus network system adopts two high-revolving CAN buses; Utilize between two high-speed CAN bus agreement identical, integrated gateway is handled fast characteristics, has realized the information sharing of CAN bus and each controller and intersects; Reduce wire harness in a large number through sharing of information, lowered complete vehicle weight; Realized the core configuration function of integrated gateway and the function that information is transmitted, realized the complementation of CAN bus and LIN bus advantage, make this network possess good extendability and reliability, and cost has been lower.
Description of drawings
Fig. 1 is the topology diagram of this vehicle bus network system.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As shown in Figure 1; This vehicle bus network system comprises integrated gateway, CAN network, LIN network and CAN bus diagnostic module; The CAN network then comprises two the power transmission CAN bus and the comfortable CAN buses of vehicle body that are connected on the integrated gateway; These two CAN buses are high-speed bus, and its communication speed is 500kbit/s.CAN bus diagnostic module connects with above-mentioned power transmission CAN bus and the comfortable CAN bus of vehicle body, directly two buses is diagnosed separately.
The node of power transmission CAN bus comprises engine management module, automatic transmission with hydraulic torque converter control module, brake system control module, steering wheel angle sensor, four wheel drive control module and safety air bag control module.And the node of the comfortable CAN bus of vehicle body comprises combination instrument control module and automatic air condition control module.The node of each bar CAN bus is also reserved function except that comprising above-mentioned module, need not change the hardware of controller module, only just can realize function expansion through Development of Software, and the expansion of controller module also allows.
The LIN network then comprises the LIN bus one and LIN bus two that connects with integrated gateway, and the node of LIN bus one comprises four automatic window control modules, a rainfall sunlight sensor and a louver controller.In the present embodiment, the communication speed of LIN bus one and LIN bus two is 19.2kbit/s.
Adopt two high-speed CAN bus promptly can satisfy the real-time of the comfortable CAN bus of power transmission CAN bus and vehicle body, can reduce bus load and cost again.Article two, high-speed bus carries out the information exchange of signal, shared and configuration through integrated gateway; Because two high-speed buses all are high-speed CAN bus; Therefore integrated gateway need not handled the complicacy conversion between the different agreement; Only the reliability, alerting ability, the safety that have improved system need be handled and the signal reorganization to priority of messages.
Integrated gateway the is integrated function of car body controller and the function of gateway as the types of functionality of its centralized control Body Control of car body controller, comprise the state of all kinds of switches, external modulation, the information such as state of car door.As the gateway of CAN bus, the information interaction of two CAN buses needs gateway to handle, and gateway can carry out the adjustment of CAN bus identifier priority, the unpacking and recombinating, the forwarding of message of signal.Integrated gateway possesses ECU configuration inspection function as the core of this vehicle bus network system, and each ECU has only and passed through the ECU configuration inspection, and feedack is correct could insert this vehicle bus network, has guaranteed the reliability of system.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (4)
1. a vehicle bus network system comprises CAN network and LIN network, it is characterized in that, described CAN network and LIN network connect through integrated gateway, and described CAN network comprises some high-speed CAN bus; The quantity of described high-speed CAN bus is two, is respectively the comfortable CAN bus of power transmission CAN bus and vehicle body; Integrated gateway the is integrated function of car body controller and the function of gateway, as the types of functionality of its centralized control Body Control of car body controller, described integrated gateway only need be handled with signal priority of messages and recombinate; The node of described power transmission CAN bus comprises engine management module, automatic transmission with hydraulic torque converter control module, brake system control module, steering wheel angle sensor, four wheel drive control module and safety air bag control module; The node of the comfortable CAN bus of described vehicle body comprises combination instrument control module and automatic air condition control module.
2. a kind of vehicle bus network system according to claim 1 is characterized in that, the communication speed of described power transmission CAN bus and the comfortable CAN bus of vehicle body is 500kbit/S.
3. a kind of vehicle bus network system according to claim 2; It is characterized in that; Described vehicle bus network system also comprises CAN bus diagnostic module, and this CAN bus diagnostic module connects with above-mentioned power transmission CAN bus and the comfortable CAN bus of vehicle body.
4. a kind of vehicle bus network system according to claim 3; It is characterized in that; Described LIN network comprises the LIN bus one and LIN bus two that connects with integrated gateway, and the node of LIN bus one comprises four automatic window control modules, a rainfall sunlight sensor and a louver controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101442446A CN101612921B (en) | 2009-07-27 | 2009-07-27 | Vehicle bus network system |
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| CN2009101442446A CN101612921B (en) | 2009-07-27 | 2009-07-27 | Vehicle bus network system |
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| CN101612921A CN101612921A (en) | 2009-12-30 |
| CN101612921B true CN101612921B (en) | 2012-05-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106004718A (en) * | 2015-12-09 | 2016-10-12 | 展视网（北京）科技有限公司 | CAN (Controller Area Network) on-board bus network system |
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| CN101795245A (en) * | 2010-03-20 | 2010-08-04 | 中国第一汽车集团公司 | C302-model gateway control unit |
| CN102346472A (en) * | 2011-08-31 | 2012-02-08 | 奇瑞汽车股份有限公司 | CAN (Controller Area Network) and LIN (Local Interconnect Network) bus network based vehicle control system |
| CN102521291B (en) * | 2011-11-29 | 2014-02-19 | 浙江大学 | ANTLR (Another Tool for Language Recognition)-based importing method for LDF (Log Data File) of description file of LIN (Local Interconnect Network) |
| CN102955470B (en) * | 2012-11-07 | 2015-05-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Monitoring system, control host and monitoring method for radiation anti-interference test |
| CN103023786B (en) * | 2012-12-29 | 2016-12-28 | 北京兴科迪科技有限公司 | Automobile bus gateway dynamic priority route management method and system thereof |
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| CN104746997B (en) * | 2013-12-31 | 2017-04-05 | 上海通用汽车有限公司 | A kind of sunroof control system and method for automobile |
| CN104219281B (en) * | 2014-07-30 | 2019-03-19 | 浙江吉利控股集团有限公司 | CAN bus based vehicle personalization function configuration method and configuration system |
| CN104865945B (en) * | 2014-08-22 | 2018-06-19 | 北京宝沃汽车有限公司 | The method and apparatus tested the electronic control unit in automobile |
| US10106106B2 (en) * | 2014-09-19 | 2018-10-23 | Ford Global Technologies, Llc | Automated driving solution gateway |
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| CN106004380A (en) * | 2016-06-28 | 2016-10-12 | 科世达（上海）管理有限公司 | Skylight control system |
| CN107487204A (en) * | 2016-12-26 | 2017-12-19 | 宝沃汽车（中国）有限公司 | CAN framework and electric car |
| CN106953796B (en) * | 2017-04-13 | 2021-01-01 | 北京汽车集团有限公司 | Security gateway, data processing method and device, vehicle network system and vehicle |
| CN109905488B (en) * | 2019-03-20 | 2022-02-25 | 南京汽车集团有限公司 | Safety communication method for electronic and electric appliances of commercial vehicle |
| CN110879561B (en) * | 2019-12-24 | 2022-08-05 | 上海智驾汽车科技有限公司 | Control method and device for reducing CAN bus congestion |
| CN114103820A (en) * | 2021-11-30 | 2022-03-01 | 上汽通用五菱汽车股份有限公司 | Key configuration module, vehicle and key function configuration method |
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2009
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004718A (en) * | 2015-12-09 | 2016-10-12 | 展视网（北京）科技有限公司 | CAN (Controller Area Network) on-board bus network system |
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Application publication date: 20091230 Assignee: Plateau, Chengdu auto industry company limited Assignor: Zhejiang Geely Holding Group Company Limited | Zhejiang Geely Automobile Research Institute Co Ltd Contract record no.: 2013330000327 Denomination of invention: Vehicle bus network system Granted publication date: 20120523 License type: Exclusive License Record date: 20131015 |
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